.header{
    display: flex;
    justify-content: space-between;
}
#components-layout-demo-top-side-2 .logo {
    width: 120px;
    height: 31px;
    background: rgba(255, 255, 255, 0.2);
    margin: 16px 28px 16px 0;
    float: left;
}

.site-layout-background {
    background: #fff;
}